Since & for

Present perfect simple

Hyde park/ open/ to everyone

1637 A long time

The British royal family / live / at Buckingham Palace

Nearly two hundred years

1837

There / be / an underground / in London

1863 More than 150

years

The new Wembley Stadium / open

2007 A few years

Double-decker buses / be / used

1829 More than 150

years